




from __future__ import annotations

import requests

def    UpperCAmelCase_				( __UpperCAmelCase		:      str				)   ->					dict:
      SCREAMING_SNAKE_CASE_      		=     f"https://hacker-news.firebaseio.com/v0/item/{story_id}.json?print=pretty"
      return requests.get(__UpperCAmelCase				).json()

def    UpperCAmelCase_				( __UpperCAmelCase		:      int = 10				)   ->					list[dict]:
      SCREAMING_SNAKE_CASE_      		=     'https://hacker-news.firebaseio.com/v0/topstories.json?print=pretty'
      SCREAMING_SNAKE_CASE_      		=     requests.get(__UpperCAmelCase				).json()[:max_stories]
      return [get_hackernews_story(__UpperCAmelCase				) for story_id in story_ids]

def    UpperCAmelCase_				( __UpperCAmelCase		:      int = 10				)   ->					str:
      SCREAMING_SNAKE_CASE_      		=     hackernews_top_stories(__UpperCAmelCase				)
      return "\n".join('* [{title}]({url})'.format(**__UpperCAmelCase				) for story in stories				)


if __name__ == "__main__":
   print(hackernews_top_stories_as_markdown())



from __future__ import annotations

from math import pow, sqrt
def      UpperCAmelCase__		(UpperCamelCase_				,UpperCamelCase_				,UpperCamelCase_							):



     """simple docstring"""






     if (resistance, reactance, impedance).count(0							) != 1:
          raise ValueError('''One and only one argument must be 0'''							)
     if resistance == 0:
          return {"resistance": sqrt(pow(UpperCamelCase_				,2							) - pow(UpperCamelCase_				,2							)							)}
     elif reactance == 0:
          return {"reactance": sqrt(pow(UpperCamelCase_				,2							) - pow(UpperCamelCase_				,2							)							)}
     elif impedance == 0:
          return {"impedance": sqrt(pow(UpperCamelCase_				,2							) + pow(UpperCamelCase_				,2							)							)}
     else:
          raise ValueError('''Exactly one argument must be 0'''							)


if __name__ == "__main__":
 import doctest

 doctest.testmod()




